Home / 30,251.16-45,385.97-15,470.46

Finding the Fourth Proportional to 30,251.16, 45,385.97 and 15,470.46

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Solution

The fourth proportional to 30,251.16, 45,385.97 and 15,470.46 is: 23,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.16 : 45,385.97 = 15,470.46 : x
  2. Step 2: Convert to fraction form
    30,251.16/45,385.97 = 15,470.46/x
  3. Step 3: Cross multiply
    30,251.16x = 45,385.97 × 15,470.46
  4. Step 4: Simplify right side
    30,251.16x = 702,141,529.16
  5. Step 5: Solve for x
    x = 702,141,529.16/30,251.16
  6. Step 6: Final answer
    x = 23,210.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.